src/components/nacl/browser/nacl_host_message_filter.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_NACL_BROWSER_NACL_HOST_MESSAGE_FILTER_H_
   6 #define COMPONENTS_NACL_BROWSER_NACL_HOST_MESSAGE_FILTER_H_
   7
   8 #include "base/files/file.h"
   9 #include "base/files/file_path.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "content/public/browser/browser_message_filter.h"
  12 #include "ppapi/shared_impl/ppapi_permissions.h"
  13
  14 class GURL;
  15
  16 namespace nacl {
  17 struct NaClLaunchParams;
  18 struct PnaclCacheInfo;
  19 }
  20
  21 namespace net {
  22 class HostResolver;
  23 class URLRequestContextGetter;
  24 }
  25
  26 namespace nacl {
  27
  28 // This class filters out incoming Chrome-specific IPC messages for the renderer
  29 // process on the IPC thread.
  30 class NaClHostMessageFilter : public content::BrowserMessageFilter {
  31  public:
  32   NaClHostMessageFilter(int render_process_id,
  33                         bool is_off_the_record,
  34                         const base::FilePath& profile_directory,
  35                         net::URLRequestContextGetter* request_context);
  36
  37   // content::BrowserMessageFilter methods:
  38   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  39   virtual void OnChannelClosing() OVERRIDE;
  40
  41   int render_process_id() { return render_process_id_; }
  42   bool off_the_record() { return off_the_record_; }
  43   const base::FilePath& profile_directory() const { return profile_directory_; }
  44   net::HostResolver* GetHostResolver();
  45
  46  private:
  47   friend class content::BrowserThread;
  48   friend class base::DeleteHelper<NaClHostMessageFilter>;
  49
  50   virtual ~NaClHostMessageFilter();
  51
  52   void OnLaunchNaCl(const NaClLaunchParams& launch_params,
  53                     IPC::Message* reply_msg);
  54   void LaunchNaClContinuation(const nacl::NaClLaunchParams& launch_params,
  55                               IPC::Message* reply_msg,
  56                               ppapi::PpapiPermissions permissions);
  57   void OnGetReadonlyPnaclFd(const std::string& filename,
  58                             bool is_executable,
  59                             IPC::Message* reply_msg);
  60   void OnNaClCreateTemporaryFile(IPC::Message* reply_msg);
  61   void OnNaClGetNumProcessors(int* num_processors);
  62   void OnGetNexeFd(int render_view_id,
  63                    int pp_instance,
  64                    const PnaclCacheInfo& cache_info);
  65   void OnTranslationFinished(int instance, bool success);
  66   void OnMissingArchError(int render_view_id);
  67   void OnOpenNaClExecutable(int render_view_id,
  68                             const GURL& file_url,
  69                             IPC::Message* reply_msg);
  70   void SyncReturnTemporaryFile(IPC::Message* reply_msg,
  71                                base::File file);
  72   void AsyncReturnTemporaryFile(int pp_instance,
  73                                 const base::File& file,
  74                                 bool is_hit);
  75   void OnNaClDebugEnabledForURL(const GURL& nmf_url, bool* should_debug);
  76
  77   int render_process_id_;
  78
  79   // off_the_record_ is copied from the profile partly so that it can be
  80   // read on the IO thread.
  81   bool off_the_record_;
  82   base::FilePath profile_directory_;
  83   scoped_refptr<net::URLRequestContextGetter> request_context_;
  84
  85   base::WeakPtrFactory<NaClHostMessageFilter> weak_ptr_factory_;
  86
  87   DISALLOW_COPY_AND_ASSIGN(NaClHostMessageFilter);
  88 };
  89
  90 }  // namespace nacl
  91
  92 #endif  // COMPONENTS_NACL_BROWSER_NACL_HOST_MESSAGE_FILTER_H_